16546829425 has 48 divisors (see below), whose sum is σ = 24443971200. Its totient is φ = 10871078400.

The previous prime is 16546829393. The next prime is 16546829443. The reversal of 16546829425 is 52492864561.

It is not a de Polignac number, because 16546829425 - 2⁵ = 16546829393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 652381 + ... + 677269.

It is an arithmetic number, because the mean of its divisors is an integer number (509249400).

Almost surely, 2^16546829425 is an apocalyptic number.

It is an amenable number.

16546829425 is a deficient number, since it is larger than the sum of its proper divisors (7897141775).

16546829425 is a wasteful number, since it uses less digits than its factorization.

16546829425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25066 (or 25061 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 52.

The spelling of 16546829425 in words is "sixteen billion, five hundred forty-six million, eight hundred twenty-nine thousand, four hundred twenty-five".